My computer was locked by a pop-up that looked like safari, and had "apple security" on it. I was able to remove it. How can I determine if malware was installed?
My computer was locked by a pop-up that resembled safari. It had "applesecurity" and a phone number to call. I removed it by reading through the community. How can I determine if malware was installed on my computer? From what I read it doesn't seem like a good idea to install anti-virus software.
MacBook Pro, OS X Mountain Lion (10.8.5)